If we are still talking about the 5/7/2023 Allure sailing, it's in the daily planner in the app and you can find it faster if you filter by entertainment. You will not find that info for all sailings - just ones fairly close in.
Very unlikely the suite concierge can change the start of MTD on board, but the MDR host might be able to accommodate somehow. While MTD won't start till 6:30 or later, some MTD folks might be seated earlier if space is available - that possibility is a bit harder for a larger group. Also, that possibility will likely vary each day.
You will likely wait quite a bit as on most ships MTD 6:30-6:45 is the earliest booking available. Go to the MDR right after boarding and try to switch to early traditional.
If you cancel outright, you lose your entire deposit with NRD - no more FCC. If you move it, then it's a $100pp penalty.
Both booking types have the same final payment date.
Cabin dynamic pricing has been an RCI staple for many years - you'll have to call to see if a price drop applies to a sold out category - some reported being able to get it.
Biker usually has no preference on new thread vs old thread other than many times the old ones flow better and makes more sense if the topic is really the same.
The package would include all pics in which the occupants of cabin A are in - so if any occupants of cabins B and C are in any of the pics with occupants of cabin A, those pics would be included.